Human Anatomy & Physiology I Chapter 1 Instructor: Quinn V. Bui, DC, MPH, MS Semester: Fall, 2005 Credit: 4 Introduction to Human Anatomy and Physiology chap1student 1-1 Chapter 1 Introduction to Human Anatomy and Physiology chap1student 1-2 Anatomy and Physiology Anatomy – ____________________ Physiology – __________________ Structure is always related to function chap1student 1-3 Levels of Organization Atom – ________ atom, lithium atom Molecule – water molecule, ______ molecule Macromolecule – protein molecule, _____ molecule Organelle – _____________, Golgi apparatus Cell – muscle cell, nerve cell Tissue – loose connective tissue, muscle tissue Organ – ______, femur Organ System – skeletal system, digestive system Organism - _________ chap1student 1-4 Levels of Organization chap1student 1-5 Characteristics of Life Movement – _______________; motion Responsiveness – _____________ a change Growth – increase in size Reproduction – production of new organisms and new cells Respiration – obtaining __________; removing carbon dioxide; releasing energy from foods chap1student 1-6 Characteristics of Life Digestion – breakdown of food substances Absorption – passage of ____________ through membranes and into body fluids Circulation – movement of substances in body fluids Assimilation – changing of _________________ into different substances Excretion – removal of wastes chap1student 1-7 Requirements of Organisms Water - ______________ substance in body - required for _______________ processes - required for transport - regulates ___________________ Food - supply energy - supply raw materials chap1student 1-8 Requirements of Organisms Oxygen - ___________________ - used to release energy from nutrients Heat - _________________ - partly controls rate of metabolic reactions Pressure - ___________________ – important for breathing - hydrostatic pressure – keeps ___________flowing chap1student 1-9 Homeostasis Body’s maintenance of a stable ____________________ Homeostatic Mechanisms – monitor aspects of the internal environment and corrects any changes •Receptors - ____________________ •Control center - tells what a particular value should be •Effectors - ________________________ change internal environment chap1student 1-10 Homeostatic Mechanisms chap1student 1-11 Body Cavities chap1student 1-12 Serous Membranes Visceral layer – ____________________ Parietal layer – __________________________ Thoracic Membranes •_________ pleura •_________ pleura •________pericardium •Parietal pericardium Abdominopelvic Membranes •Visceral peritoneum •_____________________ chap1student 1-13 Serous Membranes chap1student 1-14 Organ Systems chap1student 1-15 Organ Systems chap1student 1-16 Organ Systems chap1student 1-17 Anatomical Terminology Anatomical Position – body ______________, facing _________, upper limbs at the sides, __________ forward Terms of Relative Position •________________________ •Anterior versus Posterior •___________________ •Ipsilateral versus Contralateral •Proximal versus Distal •Superficial versus Deep chap1student 1-18 Body Sections •Sagittal / Midsagittal or Median •Transverse / Cross •Coronal or Frontal •Oblique chap1student 1-19 Abdominal Subdivisions chap1student 1-20 Body Regions chap1student 1-21 Clinical Application Medical Imaging •Noninvasive procedures •Provide images of ____________________ structures ________________ •Use of highfrequency sound waves •Relatively _____ and inexpensive Magnetic Resonance Imaging •Requires ______________ •Produces computerized ____________, _________, and __________ sections of area being studied chap1student 1-22